mirror of https://gitee.com/openkylin/qemu.git
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
/*
|
|
* FUSE: Filesystem in Userspace
|
|
* Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
|
|
*
|
|
* This program can be distributed under the terms of the GNU LGPLv2.
|
|
* See the file COPYING.LIB
|
|
*/
|
|
|
|
#ifndef FUSE_I_H
|
|
#define FUSE_I_H
|
|
|
|
#define FUSE_USE_VERSION 31
|
|
#include "fuse_lowlevel.h"
|
|
|
|
struct fv_VuDev;
|
|
struct fv_QueueInfo;
|
|
|
|
struct fuse_req {
|
|
struct fuse_session *se;
|
|
uint64_t unique;
|
|
int ctr;
|
|
pthread_mutex_t lock;
|
|
struct fuse_ctx ctx;
|
|
struct fuse_chan *ch;
|
|
int interrupted;
|
|
unsigned int ioctl_64bit:1;
|
|
union {
|
|
struct {
|
|
uint64_t unique;
|
|
} i;
|
|
struct {
|
|
fuse_interrupt_func_t func;
|
|
void *data;
|
|
} ni;
|
|
} u;
|
|
struct fuse_req *next;
|
|
struct fuse_req *prev;
|
|
};
|
|
|
|
struct fuse_notify_req {
|
|
uint64_t unique;
|
|
void (*reply)(struct fuse_notify_req *, fuse_req_t, fuse_ino_t,
|
|
const void *, const struct fuse_buf *);
|
|
struct fuse_notify_req *next;
|
|
struct fuse_notify_req *prev;
|
|
};
|
|
|
|
struct fuse_session {
|
|
char *mountpoint;
|
|
volatile int exited;
|
|
int fd;
|
|
int debug;
|
|
int deny_others;
|
|
struct fuse_lowlevel_ops op;
|
|
int got_init;
|
|
struct cuse_data *cuse_data;
|
|
void *userdata;
|
|
uid_t owner;
|
|
struct fuse_conn_info conn;
|
|
struct fuse_req list;
|
|
struct fuse_req interrupts;
|
|
pthread_mutex_t lock;
|
|
pthread_rwlock_t init_rwlock;
|
|
int got_destroy;
|
|
int broken_splice_nonblock;
|
|
uint64_t notify_ctr;
|
|
struct fuse_notify_req notify_list;
|
|
size_t bufsize;
|
|
int error;
|
|
char *vu_socket_path;
|
|
int vu_listen_fd;
|
|
int vu_socketfd;
|
|
struct fv_VuDev *virtio_dev;
|
|
int thread_pool_size;
|
|
};
|
|
|
|
struct fuse_chan {
|
|
pthread_mutex_t lock;
|
|
int ctr;
|
|
int fd;
|
|
struct fv_QueueInfo *qi;
|
|
};
|
|
|
|
int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov,
|
|
int count);
|
|
void fuse_free_req(fuse_req_t req);
|
|
|
|
void fuse_session_process_buf_int(struct fuse_session *se,
|
|
struct fuse_bufvec *bufv,
|
|
struct fuse_chan *ch);
|
|
|
|
|
|
#define FUSE_MAX_MAX_PAGES 256
|
|
#define FUSE_DEFAULT_MAX_PAGES_PER_REQ 32
|
|
|
|
/* room needed in buffer to accommodate header */
|
|
#define FUSE_BUFFER_HEADER_SIZE 0x1000
|
|
|
|
#endif
|